Noun

• S: (n) certificate (certificate%1:10:00::), certification (certification%1:10:01::), credential (credential%1:10:00::), credentials (credentials%1:10:00::) (a document attesting to the truth of certain stated facts)
• S: (n) security (security%1:21:04::), certificate (certificate%1:21:00::) (a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends) "he held several valuable securities"

Verb

• S: (v) certificate (certificate%2:40:00::) (present someone with a certificate)
• S: (v) certificate (certificate%2:32:00::) (authorize by certificate)